Home / 243,714,311.62-336,325,725.05-137,865,465.54

Finding the Fourth Proportional to 243,714,311.62, 336,325,725.05 and 137,865,465.54

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Solution

The fourth proportional to 243,714,311.62, 336,325,725.05 and 137,865,465.54 is: 190,254,328.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,714,311.62 : 336,325,725.05 = 137,865,465.54 : x
  2. Step 2: Convert to fraction form
    243,714,311.62/336,325,725.05 = 137,865,465.54/x
  3. Step 3: Cross multiply
    243,714,311.62x = 336,325,725.05 × 137,865,465.54
  4. Step 4: Simplify right side
    243,714,311.62x = 46,367,702,657,096,288
  5. Step 5: Solve for x
    x = 46,367,702,657,096,288/243,714,311.62
  6. Step 6: Final answer
    x = 190,254,328.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.